()通常是可以写下了.转移及分享,可以成文件化表现在各种媒介,也可以通过相关法律有效保护。
A.内隐知识
B.外显知识
C.外隐知识
D.内显知识
参考答案:B
We are glad to receive your telegraphic order of May 6 ______ regret that we can- not supply the goods ______ the end of May.
A.but, by
B.and, by
C.but, for
D.and, for
下列属于慢效抑菌的药物为()
A.红霉素
B.庆大霉素
C.头孢孟多
D.磺胺嘧啶
E.甲氧苄啶